you have do something like the one this website:
h ttps://socratic.org/questions/how-do-you-evaluate-p-10-2
There's no space between the h and ttps
I did your work on this website:
www.calculatorsoup.com/calculators/discretemathematics/permutations.php?n=10&r=4&action=solve
Evaluate the quantity
P(10,4)
1 answer